ICS World Private Investigator Private Investigator Services Since 1967
1 (800) 828-9198 - Toll Free 24hrs
001 480-990-8888 - International
Confidential & Recommended Private Investigator Services Since 1967

Private Investigator
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Our Experience, Expertise, and Reliability


Since 1967 - International Counterintelligence Services, (ICS) Inc stands for excellence.


Who? What? Where? When? Why?

International Counterintelligence Services, Inc. (ICS), is one of the few professional private investigation agencies serving private clients, small business, government, commercial, corporations, legal, and insurance industries. ICS is a proud multiple government contract holder in the United States and other parts of the world. ICS is also a security consulting and licensed investigations agencies, originally founded in 1967.  As part of this longevity, we provide several investigative core competencies and are considered a full-service firm.

"The ICS mission is to provide professional private investigations anywhere in the world at any time and report our findings in a timely and accountable manner."


We operate--and offer confidential free consultations--seven days a week and all holidays, for many types of investigations. ICS utilizes state-of-the art equipment and techniques to offer a variety of services, including but by no means limited to eavesdropping & espionage countermeasures, undercover investigations, professional surveillance, background investigations and security consulting. When ICS clients need to draw on the expertise and experience of an investigator or a security consultant, it is with ICS that they quickly and effectively gain the edge.

History of International Counterintelligence Services, Inc.

Accredited Private Investigator

Founded in 1967 by Mr. W. David Rabern, CPP, PPS, CFS, CHS. (Certified Protection Professional, Personal Protection Specialist, Certified Fraud Specialist, Certified in Homeland Security). Mr. Rabern is a renowned private investigator, protection professional, security consultant, and expert witness. His original philosophies of investigative method, security consulting, and protection work, combined with his real-life case experiences materialize in the ICS Method of Approach. This Method of Approach is modified from time to time to meet the needs of each investigative assignment; however, its core principles create an environment to provide reliability for ICS clients. Mr. Rabern passed on this Method of Approach to many investigators in his care over the years. Often copied but not successfully duplicated outside of ICS, the ICS Method of Approach lives on in ICS and now, with the introduction of Mr. Rabern's son Michael D. Rabern, QP (Qualified Party Private Investigator) into the executive staff, the Method of Approach will continue to be successfully implemented.  Mr. Michael Rabern, once described as a spy-master protégé, has participated in the company for more than 14 years; he is now the president of the company.  One principle these Raberns espouse is that ICS does not rely on one expert, but many.  ICS maintains an elite team of experienced private investigators, analysts, and consultants worldwide.

Using this teamwork approach, ICS has become one of the largest and most prestigious agencies of its kind. Headquartered in Scottsdale, AZ (United States), ICS maintains a working relationship with thousands of affiliates and associates throughout the world, all of whom comply with the ICS ethical and professional standards. ICS has been involved in more than 110,000 investigations, intelligence, and counterintelligence operations of full or limited assignment since it was founded in 1967.

Experienced Private Investigators

The ICS investigative experience is diverse and it exemplifies our ability to successfully and reliably handle cases, create and foster theory, and execute clients' instructions in a timely manner. Many of our agents are members of Bilingual Private Investigators group and are  cultural-, national-, and gender-diverse.

The unique ICS investigative method, experienced elite management team, and real-world solutions are key elements of our success. All of our clients can be assured that ICS and its staff will handle their matters and themselves with professionalism above and beyond their expectations. In addition to our corporate and private concern experience, ICS is a current multiple contract holder with many government agencies. We are highly qualified in multiple-scope assignments with ongoing contractual periods.

How We Staff

Reliability is enhanced by a unique staffing solution. ICS uses a professional and competent approach to hiring investigators, using its present private investigators to screen new investigators. By utilizing operatives who have extensive backgrounds in law enforcement, intelligence gathering, counterintelligence, military, specialized experience (i.e. accounting, security, finance, etc.), and consulting, ICS is assured of maintaining a quality and reliable staff.

Surveillance Investigator

ICS investigators must pass a rigorous screening and training process. Private Investigators, regardless of experience, are trained in all aspects of their specific scope of expertise by ICS. This team makes up the elite-of-elite philosophy of ICS staffing. At ICS, we do not generally publish profiles of our staff in the spirit of confidentiality. However, interested parties may review several agent profiles representing a typical cross-section of our abilities and experience by viewing the talent section of our website. Also, ICS is always accepting resumes from either licensed or non licensed private investigators through our private investigator jobs section on the website.

Insurance, Bonded, and Licensed

ICS meets all insurance requirements of errors and omissions, general professional liability, and workers' compensation, and is fully bonded and licensed as a private investigative firm. We have nationwide and often international geographic coverage for the majority of services offered.

When you decide to rely on any investigative solution, you must be fully confident in our ability to keep your case confidential, be discreet, be available, and most of all get results! When you decide to contract ICS you can be assured you're receiving the best we have to offer. Regardless of whether you're a business or an individual, ICS is a company you can trust. Our organizations follow the spirit and intent of the governments' laws in which we operate. You can rest assured your case and its evidence will be acquired and analyzed in compliance with all local, state, and federal laws.


Case Studies

  • Overseas Lost Person

    Private Investigator finds a lost person in an overseas country 01/24/2019

  • Locate Lost Person

    ICS was contacted in an attempt to locate a Subject that had been in a 3-year relationship with the Client. 01/17/2019

  • Child Custody Exchange

    ICS was contacted in an attempt to have an Investigator on site to witness the exchange of a child from father to mother. Due to the legality of the exchange, a verified witness was required by the Client to document a proper exchange to negate... 01/08/2019

  • Case Study: Infidelity investigation in a Resort City Like Dubai

    ICS was contacted by a Client in an attempt to verify if her spouse was engaging in acts of Infidelity while on a stay in a city much like Dubai. Investigators were dispatched. We had boot on the ground in the resort and reserved their stay. In... 10/01/2018

  • Case Study: Due Diligence investigation helps business move forward with new investors.

    The private investigator for ICS helped our client make informed decisions about their potential investigators. With this case study the efforts made by ICS thwarted the clients suspicion and made for better business dealing. 09/20/2018

Recent Employment Applications

  • Private Investigator Internship

    Hamilton, New Jersey, United States08/21/2019

  • Private Investigator Internship

    Gilbert, Arizona, United States08/19/2019

  • Private Investigator Internship

    Durham, North Carolina, United States08/19/2019

  • Private Investigator Internship

    Ravine, Delaware, United States08/19/2019

  • Public Records Background Researcher

    Tallahassee, Florida, United States08/19/2019

Paper and Press Releases

  • Join our team of Qualified Parties

    There is simply no agency with an international footprint that takes better care of its private investigator talent. "Our solution is simple, take care of you like our own!" -Michael Rabern 08/29/2018

  • Teen Cyber Bullying

    Cyberbullying has become increasingly common, with the increased use of communication technology, especially among teenagers.
    12/07/2015

  • Cellphone Spyware

    Cellular Spyware is basically "phone surveillance". It is an app that has usually been installed by a third party on a cell phone that allows them to listen to or record conversations, track location and monitor all the data of the cell phone that... 12/07/2015

  • Workers Compensation Fraud

    Worker's compensation programs are compensation plans for the victims of all job-related injuries.  When an employee gets hurt on the job, the employer is liable for medical expenses, lost income and other expenses until the employee has healed... 12/07/2015

  • ICS Will Not Do Cheating Decoy Investigations

    International Counterintelligence Services (“ICS”), a leader in the private investigations industry takes a strong stand against Cheating Decoy Investigations. 12/07/2015


Recent Investigation Inquiries

Origin Investigation Location Case Type
New York Brooklyn, New York, United States Surveillance (Beacon or GPS tracking)
Silversprings, Maryland United States Cheating Spouse Investigation
Gaithersburg, Maryland United States Locate Lost People
Silver Spring, Maryland Maryland, United States Unfaithful or Cheating Partner
Bronx, New York New York, United States Child Exploitation and Obscenity (Pornography)
Baltimore, Maryland Maryland, United States Cheating Decoy Investigations
New Bloomfield, Missouri Missouri, United States Background Investigation
Seattle, Washington California, United States Other Private Investigator Case
Santa Barbara, California United States Background Checks
Aiken, South Carolina South Carolina, United States Loss and Theft Investigations


Find a Private Investigator by Closest Region

The ICS private investigator network can manage your case locally or across multiple jurisdictions. Your case will be worked by qualified and licensed private investigators where applicable. Through the innovative ICS Licensee Program, we are able to provide local private investigators in several states. Not all services are available in all areas. All private investigators can be identified upon request according to State law. Find a local Private Investigator:

Birmingham
Huntsville
Mobile
Montgomery
Tuscaloosa
Anchorage
Surprise
Chandler
Flagstaff
Glendale
Mesa
Peoria
Phoenix
Scottsdale
Tempe
Tucson
Little Rock
Anaheim
Antioch
Bakersfield
Berkeley
Beverly Hills
Burbank
Carlsbad
Chula Vista
Clovis
Corona
Costa Mesa
Daly City
Downey
East Los Angeles
El Cajon
El Monte
Elk Grove
Escondido
Fairfield
Fontana
Fremont
Fresno
Fullerton
Garden Grove
Glendale
Hayward
Huntington Beach
Inglewood
Irvine
Lancaster
Long Beach
Los Angeles
Modesto
Moreno Valley
Murrieta
Oakland
Oceanside
Orange
Orange County
Oxnard
Palmdale
Pasadena
Pomona
Rancho Cucamonga
Rialto
Riverside
Roseville
Sacramento
Salinas
San Bernardino
San Buenaventura
San Diego
San Francisco
San Jose
San Mateo
San Bernardino
San Diego
San Francisco
San Jose
Santa Ana
Santa Clara
Santa Clarita
Santa Maria
Santa Rosa
Santa Ana
Simi Valley
Stockton
Sunnyvale
Temecula
Thousand Oaks
Torrance
Vallejo
Visalia
Vista
West Covina
Aurora
Colorado Springs
Denver
Fort Collins
Greeley
Thornton
Westminster
Bridgeport
Greenwich
Hartford
New Haven
Stamford
Waterbury
Dover
Wilmington
Washington
Cape Coral
Clearwater
Coral Springs
Davie
Fort Lauderdale
Fort Lauderdale
Gainesville
Hollywood
Jacksonville
Lakeland
Miami
Miami Gardens
Miramar
Orlando
Pembroke Pines
Pompano Beach
St Petersburg
Tallahassee
Tampa
West Palm Beach
Athens
Atlanta
Augusta
Columbus
Marietta
Sandy Springs
Savannah
Hilo
Honolulu
Kailua
Maui
Oahu
Boise
Addison
Aurora
Chicago
Elgin
Joliet
Kankakee
Naperville
Oak Park
Peoria
Rockford
Schaumburg
Springfield
Waukegan
Evansville
Fort Wayne
Gary
Indianapolis
South Bend
Terre Haute
Cedar Rapids
Davenport
Des Moines
Kansas City
Olathe
Overland Park
Topeka
Wichita
Frankfort
Lexington
Louisville
Baton Rouge
Lafayette
Metairie
New Orleans
Shreveport
Augusta ME
Portland
Annapolis
Anne Arundel County
Arnold
Baltimore
Chevy Chase Village
Severna Park
Silver Spring
Boston
Cambridge
Lowell
Springfield
Worcester
Ann Arbor
Dearborn
Detroit
Flint
Grand Rapids
Lansing
Sterling Heights
Warren
Apple Valley
Duluth
Minneapolis
St Paul
Jackson
Branson
Columbia
Florissant
Independence
Jefferson City
Kansas City
Springfield
St Louis
Billings
Lincoln
Omaha
Carson City
Henderson
Las Vegas
North Las Vegas
Paradise
Reno
Spring Valley
Sunrise Manor
Manchester
Edison
Elizabeth
Jersey City
Jersey City
Newark
Paterson
Trenton
Albuquerque
Las Cruces
Albany
Brooklyn
Buffalo
New York City
Rochester
Syracuse
Yonkers
Cary
Charlotte
Durham
Fayetteville
Greensboro
Raleigh
Winston Salem
Winston Salem
Bismarck
Fargo
Akron
Canton
Cincinnati
Cleveland
Columbus
Dayton
Marietta
Sandusky
Steubenville
Toledo
Youngstown
Broken Arrow
Norman
Oklahoma City
Tulsa
Bend
Eugene
Gresham
Hillsboro
Portland
Salem
Allentown
Bethlehem
Erie
Gettysburg
Harrisburg
Hershey
Norristown
Philadelphia
Pittsburgh
Providence
Charleston
Columbia
North Charleston
Sioux Falls
Sioux Falls
Brentwood
Chattanooga
Clarksville
Davidson County
Gallatin
Knoxville
La Vergne
Memphis
Mount Juliet
Murfreesboro
Nashville
Smyrna
Abilene
Amarillo
Austin
Beaumont
Carrollton
College Station
Corpus Christi
Dallas
Denton
El Paso
Fort Worth
Frisco
Grand Prairie
Houston
Killeen
League City
Lewisville
Lubbock
McAllen
Mesquite
Odessa
Pearland
Plano
Richardson
Round Rock
San Angelo
San Antonio
Tyler
Waco
Wichita Falls
Ogden
Provo
Salt Lake City
West Jordan
West Valley City
Burlington
Alexandria
Arlington
Chesapeake
Fairfax
Hampton
Newport News
Norfolk
Northern Virginia
Richmond
Roanoke
Virginia Beach
Bellevue
Everett
Olympia
Renton
Seattle
Spokane
Tacoma
Vancouver
Charleston
Green Bay
Madison
Milwaukee
Cheyenne
Calgary
Edmonton
Strathcona County
Abbotsford
Kelowna
Vancouver
Victoria
Brandon
Portage La Prairie
Steinbach
Winnipeg
Fredericton
Moncton
Saint John
Conception Bay South
Corner Brook
Gander
St Johns
Yellowknife
Amherst
Cape Breton
Halifax
Iqaluit
Barrie
Brampton
Chatham Kent
Guelph
Hamilton
Kingston
Kitchener
London
Mississauga
Oshawa
Ottawa
Peterborough
St Catharines
Sudbury
Thunder Bay
Toronto
Windsor
Charlottetown
Summerside
Gatineau
Laval
Longueuil
Montreal
Quebec City
Saguenay
Sherbrooke
Trois Rivieres
Prince Albert
Regina
Saskatoon
Whitehorse
Beijing
Chongqing
Hong Kong
Macao
Shanghai
Tianjin
Barranquilla
Bogota
Cali
Cartagena
Medellin
Pereira
San Salvador
Bangalore
Chennai
Delhi
Hyderabad
Kolkata
Mumbai
Kiev
Sevastopol
Abu Dhabi
Dubai
Limon
Puntarenas
San Jose

Copyright © 2019 International Counterintelligence Services, Inc. All rights reserved.